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Question

Chlorine gas can be produced by reacting sulphuric acid with a mixture of MnO2 and NaCl.
The reaction follows the equation;
2NaCl+MnO2+3H2SO42NaHSO4+MnSO4+Cl2+2H2O
What volume of chlorine can be produced from 1 g of sodium chloride under standard conditions of temperature and pressure ?

A
0.1915 L
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B
19.15 L
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C
20.22 L
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D
0.191 L
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Solution

The correct option is B 0.1915 L
Volume of chlorine produce from 1 g of NaCl under STP :

2 mole NaCl (117 g) 1 mole Cl2 (22.4 L at STP)

1 g NaCl will give 22.4117 L Cl2 at STP

=0.191 LCl2 at STP

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